Ferrari 830330 'XX KERS' Quartz Stainless Steel Watch Xx Kers 50Mm Multifunction Ss Round Case & Bracelet Black Aluminum Bezel & Black Dial W. Yellow Accents Ss Folded Links Durable mineral crystal protects watch from scratches Quartz Movement Case Diameter: 52.75mm Water Resistant To 50m (165ft:in General, Suitable for Short Periods Of Recreational Swimming, but not Diving or Snorkeling